137244402 has 16 divisors (see below), whose sum is σ = 304987680. Its totient is φ = 45748116.

The previous prime is 137244397. The next prime is 137244403. The reversal of 137244402 is 204442731.

137244402 is a `hidden beast` number, since 13 + 7 + 244 + 402 = 666.

137244402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (137244403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270728 + ... + 1270835.

It is an arithmetic number, because the mean of its divisors is an integer number (19061730).

Almost surely, 2^137244402 is an apocalyptic number.

137244402 is an abundant number, since it is smaller than the sum of its proper divisors (167743278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137244402 is a wasteful number, since it uses less digits than its factorization.

137244402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541574 (or 2541568 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 137244402 is about 11715.1355946058. The cubic root of 137244402 is about 515.8200427088.

The spelling of 137244402 in words is "one hundred thirty-seven million, two hundred forty-four thousand, four hundred two".